Ransomware group profile ยท #646 by claimed victims
Sifrecikis ransomware
Sifrecikis is a ransomware operation tracked by VULONE since September 2026.
Tactics, techniques and procedures
ATT&CK technique mapping for Sifrecikis is in progress. Victimology, infrastructure status and leak-site tracking are live above.
Indicators, detections and the full playbook
Hashes, C2 addresses, onion services, Sigma and YARA detections per technique, and the negotiation transcripts are available to signed-in analysts.
Frequently asked
Is Sifrecikis ransomware still active?
How many victims has Sifrecikis claimed?
Which industries does Sifrecikis target?
Which countries are most affected by Sifrecikis?
Where does VULONE get Sifrecikis victim data?
Other ransomware groups
Victim claims are collected from leak sites and enrichment partners (ransomware.live, RansomLook) and represent the group's own assertions, not confirmed breaches. Profile last updated 31 October 2026. Questions or corrections: research@vulone.com.